A smiling Stellan McKinney was reunited with his family Friday night, completely free of the potentially fatal heart ailment that made him an internet sensation even before he was born. Stellan had surgery in Boston just four days ago -- a procedure called ablation to fix his heart rhythm problem. He and his mother, Jennifer McKinney, flew home to Minneapolis on Friday. "God helped the doctors fix Stellan," McKinney said. "He doesn't have SVT anymore. I know." SVT, or Supraventricular Tachycardia, made Stellan's heart beat three times as fast as it should. The condition affected Stellan since before he was...